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Finding the Fourth Proportional to 58,792.70, 81,101.61 and 37,242.98

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Solution

The fourth proportional to 58,792.70, 81,101.61 and 37,242.98 is: 51,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,792.70 : 81,101.61 = 37,242.98 : x
  2. Step 2: Convert to fraction form
    58,792.70/81,101.61 = 37,242.98/x
  3. Step 3: Cross multiply
    58,792.70x = 81,101.61 × 37,242.98
  4. Step 4: Simplify right side
    58,792.70x = 3,020,465,639.20
  5. Step 5: Solve for x
    x = 3,020,465,639.20/58,792.70
  6. Step 6: Final answer
    x = 51,374.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.